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231225s2017 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201703694
|2 doi
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|a pubmed24n0924.xml
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|a (DE-627)NLM277271754
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|a (NLM)29058793
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Ma, Nan
|e verfasserin
|4 aut
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|a Photovoltaic-Pyroelectric Coupled Effect Induced Electricity for Self-Powered Photodetector System
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 18.07.2018
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Ferroelectric materials have demonstrated novel photovoltaic effect to scavenge solar energy. However, most of the ferroelectric materials with wide bandgaps (2.7-4 eV) suffer from low power conversion efficiency of less than 0.5% due to absorbing only 8-20% of solar spectrum. Instead of harvesting solar energy, these ferroelectric materials can be well suited for photodetector applications, especially for sensing near-UV irradiations. Here, a ferroelectric BaTiO3 film-based photodetector is demonstrated that can be operated without using any external power source and a fast sensing of 405 nm light illumination is enabled. As compared with photovoltaic effect, both the responsivity and the specific detectivity of the photodetector can be dramatically enhanced by larger than 260% due to the light-induced photovoltaic-pyroelectric coupled effect. A self-powered photodetector array system can be utilized to achieve spatially resolved light intensity detection by recording the output voltage signals as a mapping figure
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|a Journal Article
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4 |
|a BaTiO3
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4 |
|a photodetectors
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4 |
|a photovoltaic effect
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4 |
|a pyroelectric effect
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4 |
|a self-powered
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1 |
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|a Zhang, Kewei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Ya
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 29(2017), 46 vom: 11. Dez.
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:29
|g year:2017
|g number:46
|g day:11
|g month:12
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| 856 |
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|u http://dx.doi.org/10.1002/adma.201703694
|3 Volltext
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